4 * Copyright (c) 2005 Samuel Tardieu
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2 of the License, or (at your option) any later version.
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
28 #define SH4_DEBUG_DISAS
29 //#define SH4_SINGLE_STEP
36 #define DEF(s, n, copy_size) INDEX_op_ ## s,
42 #ifdef USE_DIRECT_JUMP
45 #define TBPARAM(x) ((long)(x))
48 static uint16_t *gen_opc_ptr;
49 static uint32_t *gen_opparam_ptr;
53 typedef struct DisasContext {
54 struct TranslationBlock *tb;
62 int singlestep_enabled;
65 #ifdef CONFIG_USER_ONLY
67 #define GEN_OP_LD(width, reg) \
68 void gen_op_ld##width##_T0_##reg (DisasContext *ctx) { \
69 gen_op_ld##width##_T0_##reg##_raw(); \
71 #define GEN_OP_ST(width, reg) \
72 void gen_op_st##width##_##reg##_T1 (DisasContext *ctx) { \
73 gen_op_st##width##_##reg##_T1_raw(); \
78 #define GEN_OP_LD(width, reg) \
79 void gen_op_ld##width##_T0_##reg (DisasContext *ctx) { \
80 if (ctx->memidx) gen_op_ld##width##_T0_##reg##_kernel(); \
81 else gen_op_ld##width##_T0_##reg##_user();\
83 #define GEN_OP_ST(width, reg) \
84 void gen_op_st##width##_##reg##_T1 (DisasContext *ctx) { \
85 if (ctx->memidx) gen_op_st##width##_##reg##_T1_kernel(); \
86 else gen_op_st##width##_##reg##_T1_user();\
104 void cpu_dump_state(CPUState * env, FILE * f,
105 int (*cpu_fprintf) (FILE * f, const char *fmt, ...),
109 cpu_fprintf(f, "pc=0x%08x sr=0x%08x pr=0x%08x fpscr=0x%08x\n",
110 env->pc, env->sr, env->pr, env->fpscr);
111 for (i = 0; i < 24; i += 4) {
112 cpu_fprintf(f, "r%d=0x%08x r%d=0x%08x r%d=0x%08x r%d=0x%08x\n",
113 i, env->gregs[i], i + 1, env->gregs[i + 1],
114 i + 2, env->gregs[i + 2], i + 3, env->gregs[i + 3]);
116 if (env->flags & DELAY_SLOT) {
117 cpu_fprintf(f, "in delay slot (delayed_pc=0x%08x)\n",
119 } else if (env->flags & DELAY_SLOT_CONDITIONAL) {
120 cpu_fprintf(f, "in conditional delay slot (delayed_pc=0x%08x)\n",
125 void cpu_sh4_reset(CPUSH4State * env)
127 env->sr = 0x700000F0; /* MD, RB, BL, I3-I0 */
129 env->pc = 0xA0000000;
130 env->fpscr = 0x00040001;
134 CPUSH4State *cpu_sh4_init(void)
138 env = qemu_mallocz(sizeof(CPUSH4State));
147 #ifdef CONFIG_USER_ONLY
148 target_ulong cpu_get_phys_page_debug(CPUState * env, target_ulong addr)
153 target_ulong cpu_get_phys_page_debug(CPUState * env, target_ulong addr)
155 target_ulong physical;
158 get_physical_address(env, &physical, &prot, addr, PAGE_READ, 0);
163 static void gen_goto_tb(DisasContext * ctx, int n, target_ulong dest)
165 TranslationBlock *tb;
168 if ((tb->pc & TARGET_PAGE_MASK) == (dest & TARGET_PAGE_MASK) &&
169 !ctx->singlestep_enabled) {
170 /* Use a direct jump if in same page and singlestep not enabled */
172 gen_op_goto_tb0(TBPARAM(tb));
174 gen_op_goto_tb1(TBPARAM(tb));
175 gen_op_movl_imm_T0((long) tb + n);
177 gen_op_movl_imm_T0(0);
179 gen_op_movl_imm_PC(dest);
180 if (ctx->singlestep_enabled)
185 /* Jump to pc after an exception */
186 static void gen_jump_exception(DisasContext * ctx)
188 gen_op_movl_imm_T0(0);
189 if (ctx->singlestep_enabled)
194 static void gen_jump(DisasContext * ctx)
196 if (ctx->delayed_pc == (uint32_t) - 1) {
197 /* Target is not statically known, it comes necessarily from a
198 delayed jump as immediate jump are conditinal jumps */
199 gen_op_movl_delayed_pc_PC();
200 gen_op_movl_imm_T0(0);
201 if (ctx->singlestep_enabled)
205 gen_goto_tb(ctx, 0, ctx->delayed_pc);
209 /* Immediate conditional jump (bt or bf) */
210 static void gen_conditional_jump(DisasContext * ctx,
211 target_ulong ift, target_ulong ifnott)
215 l1 = gen_new_label();
217 gen_goto_tb(ctx, 0, ifnott);
219 gen_goto_tb(ctx, 1, ift);
222 /* Delayed conditional jump (bt or bf) */
223 static void gen_delayed_conditional_jump(DisasContext * ctx)
227 l1 = gen_new_label();
229 gen_goto_tb(ctx, 0, ctx->pc);
231 gen_goto_tb(ctx, 1, ctx->delayed_pc);
234 #define B3_0 (ctx->opcode & 0xf)
235 #define B6_4 ((ctx->opcode >> 4) & 0x7)
236 #define B7_4 ((ctx->opcode >> 4) & 0xf)
237 #define B7_0 (ctx->opcode & 0xff)
238 #define B7_0s ((int32_t) (int8_t) (ctx->opcode & 0xff))
239 #define B11_0s (ctx->opcode & 0x800 ? 0xfffff000 | (ctx->opcode & 0xfff) : \
240 (ctx->opcode & 0xfff))
241 #define B11_8 ((ctx->opcode >> 8) & 0xf)
242 #define B15_12 ((ctx->opcode >> 12) & 0xf)
244 #define REG(x) ((x) < 8 && (ctx->sr & (SR_MD | SR_RB)) == (SR_MD | SR_RB) ? \
247 #define ALTREG(x) ((x) < 8 && (ctx->sr & (SR_MD | SR_RB)) != (SR_MD | SR_RB) \
250 #define FREG(x) (ctx->fpscr & FPSCR_FR ? (x) ^ 0x10 : (x))
251 #define XHACK(x) (((x) & 1 ) << 4 | ((x) & 0xe ) << 1)
252 #define XREG(x) (ctx->fpscr & FPSCR_FR ? XHACK(x) ^ 0x10 : XHACK(x))
254 #define CHECK_NOT_DELAY_SLOT \
255 if (ctx->flags & (DELAY_SLOT | DELAY_SLOT_CONDITIONAL)) \
256 {gen_op_raise_slot_illegal_instruction (); ctx->flags |= BRANCH_EXCEPTION; \
259 void decode_opc(DisasContext * ctx)
262 fprintf(stderr, "Translating opcode 0x%04x\n", ctx->opcode);
264 switch (ctx->opcode) {
265 case 0x0019: /* div0u */
269 case 0x000b: /* rts */
270 CHECK_NOT_DELAY_SLOT gen_op_rts();
271 ctx->flags |= DELAY_SLOT;
272 ctx->delayed_pc = (uint32_t) - 1;
274 case 0x0028: /* clrmac */
277 case 0x0048: /* clrs */
280 case 0x0008: /* clrt */
283 case 0x0038: /* ldtlb */
284 assert(0); /* XXXXX */
286 case 0x004b: /* rte */
287 CHECK_NOT_DELAY_SLOT gen_op_rte();
288 ctx->flags |= DELAY_SLOT;
289 ctx->delayed_pc = (uint32_t) - 1;
291 case 0x0058: /* sets */
294 case 0x0018: /* sett */
297 case 0xfbfb: /* frchg */
299 ctx->flags |= MODE_CHANGE;
301 case 0xf3fb: /* fschg */
303 ctx->flags |= MODE_CHANGE;
305 case 0x0009: /* nop */
307 case 0x001b: /* sleep */
308 assert(0); /* XXXXX */
312 switch (ctx->opcode & 0xf000) {
313 case 0x1000: /* mov.l Rm,@(disp,Rn) */
314 gen_op_movl_rN_T0(REG(B7_4));
315 gen_op_movl_rN_T1(REG(B11_8));
316 gen_op_addl_imm_T1(B3_0 * 4);
317 gen_op_stl_T0_T1(ctx);
319 case 0x5000: /* mov.l @(disp,Rm),Rn */
320 gen_op_movl_rN_T0(REG(B7_4));
321 gen_op_addl_imm_T0(B3_0 * 4);
322 gen_op_ldl_T0_T0(ctx);
323 gen_op_movl_T0_rN(REG(B11_8));
325 case 0xe000: /* mov.l #imm,Rn */
326 gen_op_movl_imm_rN(B7_0s, REG(B11_8));
328 case 0x9000: /* mov.w @(disp,PC),Rn */
329 gen_op_movl_imm_T0(ctx->pc + 4 + B7_0 * 2);
330 gen_op_ldw_T0_T0(ctx);
331 gen_op_movl_T0_rN(REG(B11_8));
333 case 0xd000: /* mov.l @(disp,PC),Rn */
334 gen_op_movl_imm_T0((ctx->pc + 4 + B7_0 * 4) & ~3);
335 gen_op_ldl_T0_T0(ctx);
336 gen_op_movl_T0_rN(REG(B11_8));
338 case 0x7000: /* add.l #imm,Rn */
339 gen_op_add_imm_rN(B7_0s, REG(B11_8));
341 case 0xa000: /* bra disp */
343 gen_op_bra(ctx->delayed_pc = ctx->pc + 4 + B11_0s * 2);
344 ctx->flags |= DELAY_SLOT;
346 case 0xb000: /* bsr disp */
348 gen_op_bsr(ctx->pc + 4, ctx->delayed_pc =
349 ctx->pc + 4 + B11_0s * 2);
350 ctx->flags |= DELAY_SLOT;
354 switch (ctx->opcode & 0xf00f) {
355 case 0x6003: /* mov Rm,Rn */
356 gen_op_movl_rN_T0(REG(B7_4));
357 gen_op_movl_T0_rN(REG(B11_8));
359 case 0x2000: /* mov.b Rm,@Rn */
360 gen_op_movl_rN_T0(REG(B7_4));
361 gen_op_movl_rN_T1(REG(B11_8));
362 gen_op_stb_T0_T1(ctx);
364 case 0x2001: /* mov.w Rm,@Rn */
365 gen_op_movl_rN_T0(REG(B7_4));
366 gen_op_movl_rN_T1(REG(B11_8));
367 gen_op_stw_T0_T1(ctx);
369 case 0x2002: /* mov.l Rm,@Rn */
370 gen_op_movl_rN_T0(REG(B7_4));
371 gen_op_movl_rN_T1(REG(B11_8));
372 gen_op_stl_T0_T1(ctx);
374 case 0x6000: /* mov.b @Rm,Rn */
375 gen_op_movl_rN_T0(REG(B7_4));
376 gen_op_ldb_T0_T0(ctx);
377 gen_op_movl_T0_rN(REG(B11_8));
379 case 0x6001: /* mov.w @Rm,Rn */
380 gen_op_movl_rN_T0(REG(B7_4));
381 gen_op_ldw_T0_T0(ctx);
382 gen_op_movl_T0_rN(REG(B11_8));
384 case 0x6002: /* mov.l @Rm,Rn */
385 gen_op_movl_rN_T0(REG(B7_4));
386 gen_op_ldl_T0_T0(ctx);
387 gen_op_movl_T0_rN(REG(B11_8));
389 case 0x2004: /* mov.b Rm,@-Rn */
390 gen_op_dec1_rN(REG(B11_8));
391 gen_op_movl_rN_T0(REG(B7_4));
392 gen_op_movl_rN_T1(REG(B11_8));
393 gen_op_stb_T0_T1(ctx);
395 case 0x2005: /* mov.w Rm,@-Rn */
396 gen_op_dec2_rN(REG(B11_8));
397 gen_op_movl_rN_T0(REG(B7_4));
398 gen_op_movl_rN_T1(REG(B11_8));
399 gen_op_stw_T0_T1(ctx);
401 case 0x2006: /* mov.l Rm,@-Rn */
402 gen_op_dec4_rN(REG(B11_8));
403 gen_op_movl_rN_T0(REG(B7_4));
404 gen_op_movl_rN_T1(REG(B11_8));
405 gen_op_stl_T0_T1(ctx);
407 case 0x6004: /* mov.b @Rm+,Rn */
408 gen_op_movl_rN_T0(REG(B7_4));
409 gen_op_ldb_T0_T0(ctx);
410 gen_op_movl_T0_rN(REG(B11_8));
411 gen_op_inc1_rN(REG(B7_4));
413 case 0x6005: /* mov.w @Rm+,Rn */
414 gen_op_movl_rN_T0(REG(B7_4));
415 gen_op_ldw_T0_T0(ctx);
416 gen_op_movl_T0_rN(REG(B11_8));
417 gen_op_inc2_rN(REG(B7_4));
419 case 0x6006: /* mov.l @Rm+,Rn */
420 gen_op_movl_rN_T0(REG(B7_4));
421 gen_op_ldl_T0_T0(ctx);
422 gen_op_movl_T0_rN(REG(B11_8));
423 gen_op_inc4_rN(REG(B7_4));
425 case 0x0004: /* mov.b Rm,@(R0,Rn) */
426 gen_op_movl_rN_T0(REG(B7_4));
427 gen_op_movl_rN_T1(REG(B11_8));
428 gen_op_add_rN_T1(REG(0));
429 gen_op_stb_T0_T1(ctx);
431 case 0x0005: /* mov.w Rm,@(R0,Rn) */
432 gen_op_movl_rN_T0(REG(B7_4));
433 gen_op_movl_rN_T1(REG(B11_8));
434 gen_op_add_rN_T1(REG(0));
435 gen_op_stw_T0_T1(ctx);
437 case 0x0006: /* mov.l Rm,@(R0,Rn) */
438 gen_op_movl_rN_T0(REG(B7_4));
439 gen_op_movl_rN_T1(REG(B11_8));
440 gen_op_add_rN_T1(REG(0));
441 gen_op_stl_T0_T1(ctx);
443 case 0x000c: /* mov.b @(R0,Rm),Rn */
444 gen_op_movl_rN_T0(REG(B7_4));
445 gen_op_add_rN_T0(REG(0));
446 gen_op_ldb_T0_T0(ctx);
447 gen_op_movl_T0_rN(REG(B11_8));
449 case 0x000d: /* mov.w @(R0,Rm),Rn */
450 gen_op_movl_rN_T0(REG(B7_4));
451 gen_op_add_rN_T0(REG(0));
452 gen_op_ldw_T0_T0(ctx);
453 gen_op_movl_T0_rN(REG(B11_8));
455 case 0x000e: /* mov.l @(R0,Rm),Rn */
456 gen_op_movl_rN_T0(REG(B7_4));
457 gen_op_add_rN_T0(REG(0));
458 gen_op_ldl_T0_T0(ctx);
459 gen_op_movl_T0_rN(REG(B11_8));
461 case 0x6008: /* swap.b Rm,Rn */
462 gen_op_movl_rN_T0(REG(B7_4));
464 gen_op_movl_T0_rN(REG(B11_8));
466 case 0x6009: /* swap.w Rm,Rn */
467 gen_op_movl_rN_T0(REG(B7_4));
469 gen_op_movl_T0_rN(REG(B11_8));
471 case 0x200d: /* xtrct Rm,Rn */
472 gen_op_movl_rN_T0(REG(B7_4));
473 gen_op_movl_rN_T1(REG(B11_8));
474 gen_op_xtrct_T0_T1();
475 gen_op_movl_T1_rN(REG(B11_8));
477 case 0x300c: /* add Rm,Rn */
478 gen_op_movl_rN_T0(REG(B7_4));
479 gen_op_add_T0_rN(REG(B11_8));
481 case 0x300e: /* addc Rm,Rn */
482 gen_op_movl_rN_T0(REG(B7_4));
483 gen_op_movl_rN_T1(REG(B11_8));
485 gen_op_movl_T1_rN(REG(B11_8));
487 case 0x300f: /* addv Rm,Rn */
488 gen_op_movl_rN_T0(REG(B7_4));
489 gen_op_movl_rN_T1(REG(B11_8));
491 gen_op_movl_T1_rN(REG(B11_8));
493 case 0x2009: /* and Rm,Rn */
494 gen_op_movl_rN_T0(REG(B7_4));
495 gen_op_and_T0_rN(REG(B11_8));
497 case 0x3000: /* cmp/eq Rm,Rn */
498 gen_op_movl_rN_T0(REG(B7_4));
499 gen_op_movl_rN_T1(REG(B11_8));
500 gen_op_cmp_eq_T0_T1();
502 case 0x3003: /* cmp/ge Rm,Rn */
503 gen_op_movl_rN_T0(REG(B7_4));
504 gen_op_movl_rN_T1(REG(B11_8));
505 gen_op_cmp_ge_T0_T1();
507 case 0x3007: /* cmp/gt Rm,Rn */
508 gen_op_movl_rN_T0(REG(B7_4));
509 gen_op_movl_rN_T1(REG(B11_8));
510 gen_op_cmp_gt_T0_T1();
512 case 0x3006: /* cmp/hi Rm,Rn */
513 gen_op_movl_rN_T0(REG(B7_4));
514 gen_op_movl_rN_T1(REG(B11_8));
515 gen_op_cmp_hi_T0_T1();
517 case 0x3002: /* cmp/hs Rm,Rn */
518 gen_op_movl_rN_T0(REG(B7_4));
519 gen_op_movl_rN_T1(REG(B11_8));
520 gen_op_cmp_hs_T0_T1();
522 case 0x200c: /* cmp/str Rm,Rn */
523 gen_op_movl_rN_T0(REG(B7_4));
524 gen_op_movl_rN_T1(REG(B11_8));
525 gen_op_cmp_str_T0_T1();
527 case 0x2007: /* div0s Rm,Rn */
529 gen_op_movl_rN_T0(REG(B7_4));
530 gen_op_movl_rN_T1(REG(B11_8));
531 gen_op_div0s_T0_T1();
532 gen_op_movl_T1_rN(REG(B11_8));
534 case 0x3004: /* div1 Rm,Rn */
535 gen_op_movl_rN_T0(REG(B7_4));
536 gen_op_movl_rN_T1(REG(B11_8));
538 gen_op_movl_T1_rN(REG(B11_8));
540 case 0x300d: /* dmuls.l Rm,Rn */
541 gen_op_movl_rN_T0(REG(B7_4));
542 gen_op_movl_rN_T1(REG(B11_8));
543 gen_op_dmulsl_T0_T1();
545 case 0x3005: /* dmulu.l Rm,Rn */
546 gen_op_movl_rN_T0(REG(B7_4));
547 gen_op_movl_rN_T1(REG(B11_8));
548 gen_op_dmulul_T0_T1();
550 case 0x600e: /* exts.b Rm,Rn */
551 gen_op_movb_rN_T0(REG(B7_4));
552 gen_op_movl_T0_rN(REG(B11_8));
554 case 0x600f: /* exts.w Rm,Rn */
555 gen_op_movw_rN_T0(REG(B7_4));
556 gen_op_movl_T0_rN(REG(B11_8));
558 case 0x600c: /* extu.b Rm,Rn */
559 gen_op_movub_rN_T0(REG(B7_4));
560 gen_op_movl_T0_rN(REG(B11_8));
562 case 0x600d: /* extu.w Rm,Rn */
563 gen_op_movuw_rN_T0(REG(B7_4));
564 gen_op_movl_T0_rN(REG(B11_8));
566 case 0x000f: /* mac.l @Rm+,@Rn- */
567 gen_op_movl_rN_T0(REG(B11_8));
568 gen_op_ldl_T0_T0(ctx);
570 gen_op_movl_rN_T1(REG(B7_4));
571 gen_op_ldl_T0_T0(ctx);
573 gen_op_inc4_rN(REG(B7_4));
574 gen_op_inc4_rN(REG(B11_8));
576 case 0x400f: /* mac.w @Rm+,@Rn+ */
577 gen_op_movl_rN_T0(REG(B11_8));
578 gen_op_ldl_T0_T0(ctx);
580 gen_op_movl_rN_T1(REG(B7_4));
581 gen_op_ldl_T0_T0(ctx);
583 gen_op_inc2_rN(REG(B7_4));
584 gen_op_inc2_rN(REG(B11_8));
586 case 0x0007: /* mul.l Rm,Rn */
587 gen_op_movl_rN_T0(REG(B7_4));
588 gen_op_movl_rN_T1(REG(B11_8));
591 case 0x200f: /* muls.w Rm,Rn */
592 gen_op_movw_rN_T0(REG(B7_4));
593 gen_op_movw_rN_T1(REG(B11_8));
594 gen_op_mulsw_T0_T1();
596 case 0x200e: /* mulu.w Rm,Rn */
597 gen_op_movuw_rN_T0(REG(B7_4));
598 gen_op_movuw_rN_T1(REG(B11_8));
599 gen_op_muluw_T0_T1();
601 case 0x600b: /* neg Rm,Rn */
602 gen_op_movl_rN_T0(REG(B7_4));
604 gen_op_movl_T0_rN(REG(B11_8));
606 case 0x600a: /* negc Rm,Rn */
607 gen_op_movl_rN_T0(REG(B7_4));
609 gen_op_movl_T0_rN(REG(B11_8));
611 case 0x6007: /* not Rm,Rn */
612 gen_op_movl_rN_T0(REG(B7_4));
614 gen_op_movl_T0_rN(REG(B11_8));
616 case 0x200b: /* or Rm,Rn */
617 gen_op_movl_rN_T0(REG(B7_4));
618 gen_op_or_T0_rN(REG(B11_8));
620 case 0x400c: /* shad Rm,Rn */
621 gen_op_movl_rN_T0(REG(B7_4));
622 gen_op_movl_rN_T1(REG(B11_8));
624 gen_op_movl_T1_rN(REG(B11_8));
626 case 0x400d: /* shld Rm,Rn */
627 gen_op_movl_rN_T0(REG(B7_4));
628 gen_op_movl_rN_T1(REG(B11_8));
630 gen_op_movl_T1_rN(REG(B11_8));
632 case 0x3008: /* sub Rm,Rn */
633 gen_op_movl_rN_T0(REG(B7_4));
634 gen_op_sub_T0_rN(REG(B11_8));
636 case 0x300a: /* subc Rm,Rn */
637 gen_op_movl_rN_T0(REG(B7_4));
638 gen_op_movl_rN_T1(REG(B11_8));
640 gen_op_movl_T1_rN(REG(B11_8));
642 case 0x300b: /* subv Rm,Rn */
643 gen_op_movl_rN_T0(REG(B7_4));
644 gen_op_movl_rN_T1(REG(B11_8));
646 gen_op_movl_T1_rN(REG(B11_8));
648 case 0x2008: /* tst Rm,Rn */
649 gen_op_movl_rN_T0(REG(B7_4));
650 gen_op_movl_rN_T1(REG(B11_8));
653 case 0x200a: /* xor Rm,Rn */
654 gen_op_movl_rN_T0(REG(B7_4));
655 gen_op_xor_T0_rN(REG(B11_8));
657 case 0xf00c: /* fmov {F,D,X}Rm,{F,D,X}Rn */
658 if (ctx->fpscr & FPSCR_PR) {
659 gen_op_fmov_drN_DT0(XREG(B7_4));
660 gen_op_fmov_DT0_drN(XREG(B11_8));
661 } else if (ctx->fpscr & FPSCR_SZ) {
662 if (ctx->opcode & 0x0110)
663 break; /* illegal instruction */
664 gen_op_fmov_drN_DT0(XREG(B7_4));
665 gen_op_fmov_DT0_drN(XREG(B11_8));
667 gen_op_fmov_frN_FT0(FREG(B7_4));
668 gen_op_fmov_FT0_frN(FREG(B11_8));
671 case 0xf00a: /* fmov {F,D,X}Rm,@Rn */
672 if (ctx->fpscr & FPSCR_PR) {
673 gen_op_fmov_drN_DT0(XREG(B7_4));
674 gen_op_movl_rN_T1(REG(B11_8));
675 gen_op_stfq_DT0_T1(ctx);
676 } else if (ctx->fpscr & FPSCR_SZ) {
677 if (ctx->opcode & 0x0010)
678 break; /* illegal instruction */
679 gen_op_fmov_drN_DT0(XREG(B7_4));
680 gen_op_movl_rN_T1(REG(B11_8));
681 gen_op_stfq_DT0_T1(ctx);
683 gen_op_fmov_frN_FT0(FREG(B7_4));
684 gen_op_movl_rN_T1(REG(B11_8));
685 gen_op_stfl_FT0_T1(ctx);
688 case 0xf008: /* fmov @Rm,{F,D,X}Rn */
689 if (ctx->fpscr & FPSCR_PR) {
690 gen_op_movl_rN_T0(REG(B7_4));
691 gen_op_ldfq_T0_DT0(ctx);
692 gen_op_fmov_DT0_drN(XREG(B11_8));
693 } else if (ctx->fpscr & FPSCR_SZ) {
694 if (ctx->opcode & 0x0100)
695 break; /* illegal instruction */
696 gen_op_movl_rN_T0(REG(B7_4));
697 gen_op_ldfq_T0_DT0(ctx);
698 gen_op_fmov_DT0_drN(XREG(B11_8));
700 gen_op_movl_rN_T0(REG(B7_4));
701 gen_op_ldfl_T0_FT0(ctx);
702 gen_op_fmov_FT0_frN(XREG(B11_8));
705 case 0xf009: /* fmov @Rm+,{F,D,X}Rn */
706 if (ctx->fpscr & FPSCR_PR) {
707 gen_op_movl_rN_T0(REG(B7_4));
708 gen_op_ldfq_T0_DT0(ctx);
709 gen_op_fmov_DT0_drN(XREG(B11_8));
710 gen_op_inc8_rN(REG(B7_4));
711 } else if (ctx->fpscr & FPSCR_SZ) {
712 if (ctx->opcode & 0x0100)
713 break; /* illegal instruction */
714 gen_op_movl_rN_T0(REG(B7_4));
715 gen_op_ldfq_T0_DT0(ctx);
716 gen_op_fmov_DT0_drN(XREG(B11_8));
717 gen_op_inc8_rN(REG(B7_4));
719 gen_op_movl_rN_T0(REG(B7_4));
720 gen_op_ldfl_T0_FT0(ctx);
721 gen_op_fmov_FT0_frN(XREG(B11_8));
722 gen_op_inc4_rN(REG(B7_4));
725 case 0xf00b: /* fmov {F,D,X}Rm,@-Rn */
726 if (ctx->fpscr & FPSCR_PR) {
727 gen_op_dec8_rN(REG(B11_8));
728 gen_op_fmov_drN_DT0(XREG(B7_4));
729 gen_op_movl_rN_T1(REG(B11_8));
730 gen_op_stfq_DT0_T1(ctx);
731 } else if (ctx->fpscr & FPSCR_SZ) {
732 if (ctx->opcode & 0x0100)
733 break; /* illegal instruction */
734 gen_op_dec8_rN(REG(B11_8));
735 gen_op_fmov_drN_DT0(XREG(B7_4));
736 gen_op_movl_rN_T1(REG(B11_8));
737 gen_op_stfq_DT0_T1(ctx);
739 gen_op_dec4_rN(REG(B11_8));
740 gen_op_fmov_frN_FT0(FREG(B7_4));
741 gen_op_movl_rN_T1(REG(B11_8));
742 gen_op_stfl_FT0_T1(ctx);
745 case 0xf006: /* fmov @(R0,Rm),{F,D,X}Rm */
746 if (ctx->fpscr & FPSCR_PR) {
747 gen_op_movl_rN_T0(REG(B7_4));
748 gen_op_add_rN_T0(REG(0));
749 gen_op_ldfq_T0_DT0(ctx);
750 gen_op_fmov_DT0_drN(XREG(B11_8));
751 } else if (ctx->fpscr & FPSCR_SZ) {
752 if (ctx->opcode & 0x0100)
753 break; /* illegal instruction */
754 gen_op_movl_rN_T0(REG(B7_4));
755 gen_op_add_rN_T0(REG(0));
756 gen_op_ldfq_T0_DT0(ctx);
757 gen_op_fmov_DT0_drN(XREG(B11_8));
759 gen_op_movl_rN_T0(REG(B7_4));
760 gen_op_add_rN_T0(REG(0));
761 gen_op_ldfl_T0_FT0(ctx);
762 gen_op_fmov_FT0_frN(XREG(B11_8));
765 case 0xf007: /* fmov {F,D,X}Rn,@(R0,Rn) */
766 if (ctx->fpscr & FPSCR_PR) {
767 gen_op_fmov_drN_DT0(XREG(B7_4));
768 gen_op_movl_rN_T1(REG(B11_8));
769 gen_op_add_rN_T1(REG(0));
770 gen_op_stfq_DT0_T1(ctx);
771 } else if (ctx->fpscr & FPSCR_SZ) {
772 if (ctx->opcode & 0x0010)
773 break; /* illegal instruction */
774 gen_op_fmov_drN_DT0(XREG(B7_4));
775 gen_op_movl_rN_T1(REG(B11_8));
776 gen_op_add_rN_T1(REG(0));
777 gen_op_stfq_DT0_T1(ctx);
779 gen_op_fmov_frN_FT0(FREG(B7_4));
780 gen_op_movl_rN_T1(REG(B11_8));
781 gen_op_add_rN_T1(REG(0));
782 gen_op_stfl_FT0_T1(ctx);
787 switch (ctx->opcode & 0xff00) {
788 case 0xc900: /* and #imm,R0 */
789 gen_op_and_imm_rN(B7_0, REG(0));
791 case 0xcd00: /* and.b #imm,@(R0+GBR) */
792 gen_op_movl_rN_T0(REG(0));
793 gen_op_addl_GBR_T0();
795 gen_op_ldb_T0_T0(ctx);
796 gen_op_and_imm_T0(B7_0);
797 gen_op_stb_T0_T1(ctx);
799 case 0x8b00: /* bf label */
801 gen_conditional_jump(ctx, ctx->pc + 2,
802 ctx->pc + 4 + B7_0s * 2);
803 ctx->flags |= BRANCH_CONDITIONAL;
805 case 0x8f00: /* bf/s label */
807 gen_op_bf_s(ctx->delayed_pc = ctx->pc + 4 + B7_0s * 2);
808 ctx->flags |= DELAY_SLOT_CONDITIONAL;
810 case 0x8900: /* bt label */
812 gen_conditional_jump(ctx, ctx->pc + 4 + B7_0s * 2,
814 ctx->flags |= BRANCH_CONDITIONAL;
816 case 0x8d00: /* bt/s label */
818 gen_op_bt_s(ctx->delayed_pc = ctx->pc + 4 + B7_0s * 2);
819 ctx->flags |= DELAY_SLOT_CONDITIONAL;
821 case 0x8800: /* cmp/eq #imm,R0 */
822 gen_op_movl_rN_T0(REG(0));
823 gen_op_cmp_eq_imm_T0(B7_0s);
825 case 0xc400: /* mov.b @(disp,GBR),R0 */
827 gen_op_addl_imm_T0(B7_0);
828 gen_op_ldb_T0_T0(ctx);
829 gen_op_movl_T0_rN(REG(0));
831 case 0xc500: /* mov.w @(disp,GBR),R0 */
833 gen_op_addl_imm_T0(B7_0);
834 gen_op_ldw_T0_T0(ctx);
835 gen_op_movl_T0_rN(REG(0));
837 case 0xc600: /* mov.l @(disp,GBR),R0 */
839 gen_op_addl_imm_T0(B7_0);
840 gen_op_ldl_T0_T0(ctx);
841 gen_op_movl_T0_rN(REG(0));
843 case 0xc000: /* mov.b R0,@(disp,GBR) */
845 gen_op_addl_imm_T0(B7_0);
847 gen_op_movl_rN_T0(REG(0));
848 gen_op_stb_T0_T1(ctx);
850 case 0xc100: /* mov.w R0,@(disp,GBR) */
852 gen_op_addl_imm_T0(B7_0);
854 gen_op_movl_rN_T0(REG(0));
855 gen_op_stw_T0_T1(ctx);
857 case 0xc200: /* mov.l R0,@(disp,GBR) */
859 gen_op_addl_imm_T0(B7_0);
861 gen_op_movl_rN_T0(REG(0));
862 gen_op_stl_T0_T1(ctx);
864 case 0x8000: /* mov.b R0,@(disp,Rn) */
865 gen_op_movl_rN_T0(REG(0));
866 gen_op_movl_rN_T1(REG(B7_4));
867 gen_op_addl_imm_T1(B3_0);
868 gen_op_stb_T0_T1(ctx);
870 case 0x8100: /* mov.w R0,@(disp,Rn) */
871 gen_op_movl_rN_T0(REG(0));
872 gen_op_movl_rN_T1(REG(B7_4));
873 gen_op_addl_imm_T1(B3_0 * 2);
874 gen_op_stw_T0_T1(ctx);
876 case 0x8400: /* mov.b @(disp,Rn),R0 */
877 gen_op_movl_rN_T0(REG(0));
878 gen_op_movl_rN_T1(REG(B7_4));
879 gen_op_addl_imm_T1(B3_0);
880 gen_op_stb_T0_T1(ctx);
882 case 0x8500: /* mov.w @(disp,Rn),R0 */
883 gen_op_movl_rN_T0(REG(B7_4));
884 gen_op_addl_imm_T0(B3_0 * 2);
885 gen_op_ldw_T0_T0(ctx);
886 gen_op_movl_T0_rN(REG(0));
888 case 0xc700: /* mova @(disp,PC),R0 */
889 gen_op_movl_imm_rN(((ctx->pc & 0xfffffffc) + 4 + B7_0 * 4) & ~3,
892 case 0xcb00: /* or #imm,R0 */
893 gen_op_or_imm_rN(B7_0, REG(0));
895 case 0xcf00: /* or.b #imm,@(R0+GBR) */
896 gen_op_movl_rN_T0(REG(0));
897 gen_op_addl_GBR_T0();
899 gen_op_ldb_T0_T0(ctx);
900 gen_op_or_imm_T0(B7_0);
901 gen_op_stb_T0_T1(ctx);
903 case 0xc300: /* trapa #imm */
904 CHECK_NOT_DELAY_SLOT gen_op_movl_imm_PC(ctx->pc);
906 ctx->flags |= BRANCH;
908 case 0xc800: /* tst #imm,R0 */
909 gen_op_tst_imm_rN(B7_0, REG(0));
911 case 0xcc00: /* tst #imm,@(R0+GBR) */
912 gen_op_movl_rN_T0(REG(0));
913 gen_op_addl_GBR_T0();
914 gen_op_ldb_T0_T0(ctx);
915 gen_op_tst_imm_T0(B7_0);
917 case 0xca00: /* xor #imm,R0 */
918 gen_op_xor_imm_rN(B7_0, REG(0));
920 case 0xce00: /* xor.b #imm,@(R0+GBR) */
921 gen_op_movl_rN_T0(REG(0));
922 gen_op_addl_GBR_T0();
924 gen_op_ldb_T0_T0(ctx);
925 gen_op_xor_imm_T0(B7_0);
926 gen_op_stb_T0_T1(ctx);
930 switch (ctx->opcode & 0xf08f) {
931 case 0x408e: /* ldc Rm,Rn_BANK */
932 gen_op_movl_rN_rN(REG(B11_8), ALTREG(B6_4));
934 case 0x4087: /* ldc.l @Rm+,Rn_BANK */
935 gen_op_movl_rN_T0(REG(B11_8));
936 gen_op_ldl_T0_T0(ctx);
937 gen_op_movl_T0_rN(ALTREG(B6_4));
938 gen_op_inc4_rN(REG(B11_8));
940 case 0x0082: /* stc Rm_BANK,Rn */
941 gen_op_movl_rN_rN(ALTREG(B6_4), REG(B11_8));
943 case 0x4083: /* stc.l Rm_BANK,@-Rn */
944 gen_op_dec4_rN(REG(B11_8));
945 gen_op_movl_rN_T1(REG(B11_8));
946 gen_op_movl_rN_T0(ALTREG(B6_4));
947 gen_op_stl_T0_T1(ctx);
951 switch (ctx->opcode & 0xf0ff) {
952 case 0x0023: /* braf Rn */
953 CHECK_NOT_DELAY_SLOT gen_op_movl_rN_T0(REG(B11_8));
954 gen_op_braf_T0(ctx->pc + 4);
955 ctx->flags |= DELAY_SLOT;
956 ctx->delayed_pc = (uint32_t) - 1;
958 case 0x0003: /* bsrf Rn */
959 CHECK_NOT_DELAY_SLOT gen_op_movl_rN_T0(REG(B11_8));
960 gen_op_bsrf_T0(ctx->pc + 4);
961 ctx->flags |= DELAY_SLOT;
962 ctx->delayed_pc = (uint32_t) - 1;
964 case 0x4015: /* cmp/pl Rn */
965 gen_op_movl_rN_T0(REG(B11_8));
968 case 0x4011: /* cmp/pz Rn */
969 gen_op_movl_rN_T0(REG(B11_8));
972 case 0x4010: /* dt Rn */
973 gen_op_dt_rN(REG(B11_8));
975 case 0x402b: /* jmp @Rn */
976 CHECK_NOT_DELAY_SLOT gen_op_movl_rN_T0(REG(B11_8));
978 ctx->flags |= DELAY_SLOT;
979 ctx->delayed_pc = (uint32_t) - 1;
981 case 0x400b: /* jsr @Rn */
982 CHECK_NOT_DELAY_SLOT gen_op_movl_rN_T0(REG(B11_8));
983 gen_op_jsr_T0(ctx->pc + 4);
984 ctx->flags |= DELAY_SLOT;
985 ctx->delayed_pc = (uint32_t) - 1;
987 #define LDST(reg,ldnum,ldpnum,ldop,stnum,stpnum,stop,extrald) \
989 gen_op_movl_rN_T0 (REG(B11_8)); \
990 gen_op_##ldop##_T0_##reg (); \
994 gen_op_movl_rN_T0 (REG(B11_8)); \
995 gen_op_ldl_T0_T0 (ctx); \
996 gen_op_inc4_rN (REG(B11_8)); \
997 gen_op_##ldop##_T0_##reg (); \
1001 gen_op_##stop##_##reg##_T0 (); \
1002 gen_op_movl_T0_rN (REG(B11_8)); \
1005 gen_op_##stop##_##reg##_T0 (); \
1006 gen_op_dec4_rN (REG(B11_8)); \
1007 gen_op_movl_rN_T1 (REG(B11_8)); \
1008 gen_op_stl_T0_T1 (ctx); \
1010 LDST(sr, 0x400e, 0x4007, ldc, 0x0002, 0x4003, stc, ctx->flags |=
1012 LDST(gbr, 0x401e, 0x4017, ldc, 0x0012, 0x4013, stc,)
1013 LDST(vbr, 0x402e, 0x4027, ldc, 0x0022, 0x4023, stc,)
1014 LDST(ssr, 0x403e, 0x4037, ldc, 0x0032, 0x4033, stc,)
1015 LDST(spc, 0x404e, 0x4047, ldc, 0x0042, 0x4043, stc,)
1016 LDST(dbr, 0x40fa, 0x40f6, ldc, 0x00fa, 0x40f2, stc,)
1017 LDST(mach, 0x400a, 0x4006, lds, 0x000a, 0x4002, sts,)
1018 LDST(macl, 0x401a, 0x4016, lds, 0x001a, 0x4012, sts,)
1019 LDST(pr, 0x402a, 0x4026, lds, 0x002a, 0x4022, sts,)
1020 LDST(fpul, 0x405a, 0x4056, lds, 0x005a, 0x0052, sts,)
1021 LDST(fpscr, 0x406a, 0x4066, lds, 0x006a, 0x0062, sts, ctx->flags |=
1023 case 0x00c3: /* movca.l R0,@Rm */
1024 gen_op_movl_rN_T0(REG(0));
1025 gen_op_movl_rN_T1(REG(B11_8));
1026 gen_op_stl_T0_T1(ctx);
1028 case 0x0029: /* movt Rn */
1029 gen_op_movt_rN(REG(B11_8));
1031 case 0x0093: /* ocbi @Rn */
1032 gen_op_movl_rN_T0(REG(B11_8));
1033 gen_op_ldl_T0_T0(ctx);
1035 case 0x00a2: /* ocbp @Rn */
1036 gen_op_movl_rN_T0(REG(B11_8));
1037 gen_op_ldl_T0_T0(ctx);
1039 case 0x00b3: /* ocbwb @Rn */
1040 gen_op_movl_rN_T0(REG(B11_8));
1041 gen_op_ldl_T0_T0(ctx);
1043 case 0x0083: /* pref @Rn */
1045 case 0x4024: /* rotcl Rn */
1046 gen_op_rotcl_Rn(REG(B11_8));
1048 case 0x4025: /* rotcr Rn */
1049 gen_op_rotcr_Rn(REG(B11_8));
1051 case 0x4004: /* rotl Rn */
1052 gen_op_rotl_Rn(REG(B11_8));
1054 case 0x4005: /* rotr Rn */
1055 gen_op_rotr_Rn(REG(B11_8));
1057 case 0x4000: /* shll Rn */
1058 case 0x4020: /* shal Rn */
1059 gen_op_shal_Rn(REG(B11_8));
1061 case 0x4021: /* shar Rn */
1062 gen_op_shar_Rn(REG(B11_8));
1064 case 0x4001: /* shlr Rn */
1065 gen_op_shlr_Rn(REG(B11_8));
1067 case 0x4008: /* shll2 Rn */
1068 gen_op_shll2_Rn(REG(B11_8));
1070 case 0x4018: /* shll8 Rn */
1071 gen_op_shll8_Rn(REG(B11_8));
1073 case 0x4028: /* shll16 Rn */
1074 gen_op_shll16_Rn(REG(B11_8));
1076 case 0x4009: /* shlr2 Rn */
1077 gen_op_shlr2_Rn(REG(B11_8));
1079 case 0x4019: /* shlr8 Rn */
1080 gen_op_shlr8_Rn(REG(B11_8));
1082 case 0x4029: /* shlr16 Rn */
1083 gen_op_shlr16_Rn(REG(B11_8));
1085 case 0x401b: /* tas.b @Rn */
1086 gen_op_tasb_rN(REG(B11_8));
1088 case 0xf00d: /* fsts FPUL,FRn */
1089 gen_op_movl_fpul_FT0();
1090 gen_op_fmov_FT0_frN(FREG(B11_8));
1092 case 0xf01d: /* flds FRm.FPUL */
1093 gen_op_fmov_frN_FT0(FREG(B11_8));
1094 gen_op_movl_FT0_fpul();
1098 fprintf(stderr, "unknown instruction 0x%04x at pc 0x%08x\n",
1099 ctx->opcode, ctx->pc);
1100 gen_op_raise_illegal_instruction();
1101 ctx->flags |= BRANCH_EXCEPTION;
1104 int gen_intermediate_code_internal(CPUState * env, TranslationBlock * tb,
1108 target_ulong pc_start;
1109 static uint16_t *gen_opc_end;
1114 gen_opc_ptr = gen_opc_buf;
1115 gen_opc_end = gen_opc_buf + OPC_MAX_SIZE;
1116 gen_opparam_ptr = gen_opparam_buf;
1118 ctx.flags = env->flags;
1121 ctx.fpscr = env->fpscr;
1122 ctx.memidx = (env->sr & SR_MD) ? 1 : 0;
1123 ctx.delayed_pc = env->delayed_pc;
1125 ctx.singlestep_enabled = env->singlestep_enabled;
1129 if (loglevel & CPU_LOG_TB_CPU) {
1131 "------------------------------------------------\n");
1132 cpu_dump_state(env, logfile, fprintf, 0);
1136 while ((old_flags & (DELAY_SLOT | DELAY_SLOT_CONDITIONAL)) == 0 &&
1137 (ctx.flags & (BRANCH | BRANCH_CONDITIONAL | MODE_CHANGE |
1138 BRANCH_EXCEPTION)) == 0 &&
1139 gen_opc_ptr < gen_opc_end && ctx.sr == env->sr) {
1140 old_flags = ctx.flags;
1141 if (env->nb_breakpoints > 0) {
1142 for (i = 0; i < env->nb_breakpoints; i++) {
1143 if (ctx.pc == env->breakpoints[i]) {
1144 /* We have hit a breakpoint - make sure PC is up-to-date */
1145 gen_op_movl_imm_PC(ctx.pc);
1147 ctx.flags |= BRANCH_EXCEPTION;
1153 fprintf(stderr, "Loading opcode at address 0x%08x\n", ctx.pc);
1156 ctx.opcode = lduw_code(ctx.pc);
1159 if ((ctx.pc & (TARGET_PAGE_SIZE - 1)) == 0)
1161 if (env->singlestep_enabled)
1163 #ifdef SH4_SINGLE_STEP
1168 switch (old_flags & (DELAY_SLOT_CONDITIONAL | DELAY_SLOT)) {
1169 case DELAY_SLOT_CONDITIONAL:
1170 gen_op_clr_delay_slot_conditional();
1171 gen_delayed_conditional_jump(&ctx);
1174 gen_op_clr_delay_slot();
1178 if (ctx.flags & BRANCH_EXCEPTION) {
1179 gen_jump_exception(&ctx);
1180 } else if ((ctx.flags & (BRANCH | BRANCH_CONDITIONAL)) == 0) {
1181 gen_goto_tb(&ctx, 0, ctx.pc);
1185 /* Both cannot be set at the same time */
1189 if (env->singlestep_enabled) {
1192 *gen_opc_ptr = INDEX_op_end;
1193 tb->size = ctx.pc - pc_start;
1196 #ifdef SH4_DEBUG_DISAS
1197 if (loglevel & CPU_LOG_TB_IN_ASM)
1198 fprintf(logfile, "\n");
1200 if (loglevel & CPU_LOG_TB_IN_ASM) {
1201 fprintf(logfile, "IN:\n"); /* , lookup_symbol(pc_start)); */
1202 target_disas(logfile, pc_start, ctx.pc - pc_start, 0);
1203 fprintf(logfile, "\n");
1205 if (loglevel & CPU_LOG_TB_OP) {
1206 fprintf(logfile, "OP:\n");
1207 dump_ops(gen_opc_buf, gen_opparam_buf);
1208 fprintf(logfile, "\n");
1214 int gen_intermediate_code(CPUState * env, struct TranslationBlock *tb)
1216 return gen_intermediate_code_internal(env, tb, 0);
1219 int gen_intermediate_code_pc(CPUState * env, struct TranslationBlock *tb)
1222 return gen_intermediate_code_internal(env, tb, 1);